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Curr Biol. 2005 Sep 6;15(17):R723-9.

Deciphering the neural and molecular mechanisms of C. elegans behavior.

Author information

  • Division of Biological Sciences, University of California, San Diego, La Jolla, California 92093, USA. wschafer@ucsd.edu

Abstract

Because of its small and well-characterized nervous system and amenability to genetic manipulation, the nematode Caenorhabditis elegans offers the promise of understanding the mechanisms underlying a whole animal's behavior at the molecular and cellular levels. In fact, this goal was a primary motivation behind the development of C. elegans as an experimental organism 40 years ago. Yet it has proven surprisingly difficult to obtain a mechanistic understanding of how the C. elegans nervous system generates behavior, despite the existence of a 'wiring diagram' that contains a degree of information about neural connectivity unparalleled in any organism. This review describes three types of information--molecular data on cellular neurochemistry, temporal information about neural activity patterns, and behavioral data on the consequences of neural ablation and manipulation--that, along with genetic analysis, may ultimately lead to a complete functional map of the C. elegans nervous system.

PMID:
16139205
[PubMed - indexed for MEDLINE]
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